selec from 5 premade materials in master material

hi comunity my name is juan carlos and i´m getting started in procedural shading and that stuff,i encountered with a case in with i want the sahder to ask me what premade material i want but the only logic thing i cant thing available in material bluprint is this,
is there another way of getting around this.

Don’t know much about this part, but have you looked a IF nodes and parameter switches?

https://docs.unrealengine.com/en-US/Engine/Rendering/Materials/ExpressionReference/Parameters/index.html